11.Which of the following is not a unit of flux?

12.A 200 turn coil having an axial length of 30 mm and a radius of 10 mm is pivoted in a magnetic field having a flux density of 0.8 T. If the coil carries a current of 0.5 A, the torque acting on the coil will be

13.When two ends of a circular uniform wire are joined to the terminals of a battery, the field at the centre of the circle

14.When a magnet is in motion relative to a coil the induced e.m.f. does not depend upon

15.Reciprocal of permeability is